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"The first ticking 'nuclear clocks' are here."

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Russ Roberts (https://hawaiisciencemonitor.blogspot.com).

Today

The first ticking ‘nuclear clocks’ are here

First nuclear clocks demonstrated

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These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its electrons, which atomic clocks currently use to define the length of a second

Yesterday

Why the paint is peeling off the Lincoln Memorial Reflecting Pool—experts explain

Lincoln Pool turns green

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19h

Poor preparation and a failure to properly apply the coating may be just a few of the reasons why the Reflecting Pool’s new paint job appears to be peeling off

Interstellar Comet 3I/ATLAS is almost as old as the universe itself

SETI finds no alien technology

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The evidence is mounting: this interstellar visitor is even older and weirder than anyone thought

Stem cells banish severe autoimmune disease for 15 years

Two people were the first to receive the therapy for a condition that damages the spinal cord and optic nerve

Will NASA’s SkyFall Mars helicopter fleet sink science at the Red Planet?

Mars researchers are wrestling with the potential costs of a flashy new NASA mission to the Red Planet

Got a tick bite? Here’s what to do and when to seek treatment

Knowing what kind of tick bit you and where you got it can help inform next steps

Ebola outbreak latest, World Cup heat risks and dad brains

What’s going on with the Ebola outbreak, how the World Cup is dealing with rising temperatures, and how becoming a father can change your brain

Jun 21, 2026

Can GLP-1s boost testosterone levels?

GLP-1s may improve male fertility

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Preliminary study finds that testosterone levels increase or stabilize in people taking GLP-1 medications

How becoming a dad changes men’s brains

Pregnancy reshapes maternal brain

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Fathers show changes in some of the same brain areas as mothers, but the effect of parenthood on dads isn’t nearly as well studied

Celebrate Father’s Day with seven whimsical and weird animal dads

From tiny hamsters to giant salamanders, here are some of the most unusual examples of fatherhood across the animal kingdom

Jun 20, 2026

Silicon Valley's longevity biohackers are engaged in a dangerous experiment

Influencers and ultra-rich people looking to extend their lifespan are trading tips and tricks on how to eke out extra years

Attachment style may influence how many kids people have

People with “fearful” or “preoccupied” insecure attachment styles had more children, whereas securely attached people had fewer, according to a recent study

Jun 19, 2026

A water treatment expert on what could actually fix the Reflecting Pool

Pro algae protests over reflecting pool

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The Trump administration wanted the surface of the Lincoln Memorial Reflecting Pool to be “American flag blue.” A water-treatment expert explains why the pool is still algal green and why the bloom could keep coming back

Which World Cup cooling methods really protect players from extreme heat?

FIFA hydration breaks spark criticism

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From booed hydration breaks to cooling-gel vests, teams are trying everything to keep their players from overheating. Physiologists—and one World Cup team doctor—say feeling cooler is different than cooling the body

Scientists pop the cork on the hidden chemistry inside wine bottles

A new study captures how cork, wine and air interact over time

Scientists discover remnants of Jellyfish Nebula’s ‘sibling’ supernova

Fermi finds sibling supernova remnants

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Astronomers may have found the remains of two long-dead stellar siblings

In world first, a man living with HIV received a lung transplant from an HIV-positive donor

HIV positive to positive transplant

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This operation opens the door to treating more people living with HIV who have end-stage organ disease

Ancient human ancestors may have first used fire 1.79 million years ago

Early humans used fire

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A new method that detects whether bones have been burned reveals Homo erectus brought fires into caves far earlier than previous evidence had suggested

JWST catches cosmic imposters spoofing faraway galaxies

The James Webb Space Telescope has found nearby brown dwarfs masquerading as far-distant galaxies. The discovery reinforces how, in astronomy, what you see isn’t always what you get

Why some irrational numbers are more irrational than others

The quest to approximate irrational numbers with fractions reveals hidden patterns, surprising hierarchies and enduring mathematical mysteries

Scientists are uncovering how common viruses may quietly increase cancer risk

Everyday viral infections may be quietly reshaping the body’s network of molecules that support cells and tissues in ways that can raise cancer risk over time

Jun 18, 2026

Ancient worshipers gathered at a ‘prototype’ Stonehenge to celebrate the solstices, new analysis reveals

Earliest Stonehenge solstice monument

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These ruins, located just five kilometers from Stonehenge, likely laid the groundwork for religious rites celebrating the longest and shortest days of the year

Japan’s 2011 earthquake was so powerful that it shifted the entire country’s location

Japan shifted east five millimeters

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This “extraordinary” event was likely caused by seismic waves bouncing off Earth’s core, researchers found

NASA’s Lucy mission reveals an asteroid’s hidden history

Lucy finds water on Donaldjohanson

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Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close

Trump administration reverses course on plan to dismantle ocean monitoring network

US saves ocean monitoring network

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The effort to pull some 900 ocean-monitoring buoys and sensors from the water drew backlash from scientists and lawmakers

Ex-Google CEO Eric Schmidt’s Relativity Space selected for upcoming NASA Mars orbiter mission

NASA Relativity Mars Aeolus mission

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This partnership marks the latest foray into space exploration for Relativity Space, which aims to build cheap, reusable rockets

How to watch August’s total solar eclipse live with Scientific American

Even if you aren’t going to be within the path of totality, you can still watch the solar eclipse as it happens with Scientific American

Salty clouds discovered on pink puffball planet

GJ504b salt clouds discovered

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A cold, cherry-blossom-hued exoplanet supports bizarre clouds chock-full of salts

How one new telescope is going to change astronomy forever

Caltech builds ultrasensitive radio telescope

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Construction of the Deep Synoptic Array is about to start in rural Nevada. It will reveal untold galaxies in stunning detail and help explain how they form and grow

1 in 3 psychologists say their patients use AI as a second therapist

Patients increasingly use AI chatbots

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People are increasingly turning to AI for mental health support—but its design is “antithetical” to mental health care, experts say

The surprising science history behind New York City’s ticker-tape parades

Knicks championship parade imminent

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On Thursday Knicks fans are flocking to Manhattan for a ticker-tape parade. But where did ticker tape even come from?

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